Avaya BCM450 Guide de configuration télécharger pdf (Page 5)

AAA; Reviewed:

05/03/2011

Avaya BCM Solutions Test Lab

Application Notes

Reserved.

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BCM50_BCM450_R5_Configuration_Verizon

3.0 Features

3.1 Features Supported

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The following are capabilities tested and validated:

•

Basic calls (G711 a-law and G729 both with 20ms packetization)

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Calling line (number) identification presentation

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Calling line (number) presentation restriction

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DTMF (RFC 2833)

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Call hold

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Call transfer (attended and unattended)

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Conference calls

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Call forward

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Call waiting

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Transparent Fax transport using G.711- see Technical Caveats section below.

T.38 Fax transport- see Technical Caveats section below.

3.2 Technical Caveats

1. To use T.38 fax transport or continue using G.711 fax transport with Verizon Business SIP Trunking, one

of the following software updates must be applied using BCM Element Manager:

a. BCM050.R500.SU.System-010.201104 or later

b. BCM450.R500.SU.System-010.201104 or later

2. Inbound T.38 fax calls are failing to the Nortel BCM450 when going through the CS2000Combo gateway

using VSP3. The BCM450 sends re-invite for T.38 and receives a 200 OK from the gateway, however fax

fails.

Workaround: Use BCM Element Manager under Configuration > Resources > Telephony Resources:

Select module type “IP Trunks” and click on the SIP Media Parameters tab. In the codec Settings section,

set the Fax transport field to G.711.

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